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My research is driven by several fundamental questions:
- What processes, either physical or chemical, initiate regolith formation by rock weathering, and how do these processes interact to set the depth and structure of the weathered zone?
- How do modern and historic variations in climate affect the distribution of weathering products (e.g., talus, soil, ground and surface water solutes) in the landscape?
- How do tectonic processes affect the generation of nutrients in terrestrial landscapes by regulating the supply of minerals available for weathering and soil production?
- How do human activities impact the sustainability of soil and groundwater resources?
Please find brief descriptions of my active projects below.
Lithologic and climatic controls on the evolution of the Central Appalachians
Together with collaborators from Oregon State University and University of Vermont, I am working to understand how we can “read” the landscape to infer information about the evolution of mountainous landscapes.
Chemical weathering response to tectonic forcing
Variable uplift rates across the Mendocino Triple Junction provide an ideal natural laboratory to test the influence of mineral supply rates on the balance between physical and chemical weathering in mountainous landscapes.